Home / 12,061,905.13-16,645,148.62-6,555,149.29

Finding the Fourth Proportional to 12,061,905.13, 16,645,148.62 and 6,555,149.29

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Solution

The fourth proportional to 12,061,905.13, 16,645,148.62 and 6,555,149.29 is: 9,045,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,061,905.13 : 16,645,148.62 = 6,555,149.29 : x
  2. Step 2: Convert to fraction form
    12,061,905.13/16,645,148.62 = 6,555,149.29/x
  3. Step 3: Cross multiply
    12,061,905.13x = 16,645,148.62 × 6,555,149.29
  4. Step 4: Simplify right side
    12,061,905.13x = 109,111,434,158,337.47
  5. Step 5: Solve for x
    x = 109,111,434,158,337.47/12,061,905.13
  6. Step 6: Final answer
    x = 9,045,953.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.